* dest_i / src1_i / src2_i are in *binary*, whereas...
* ...g_rd_pend_i / g_wr_pend_i and rd_pend_o / wr_pend_o are UNARY
* req_rel_i (request release) is the direct equivalent of pipeline
- "output valid" (valid_o)
+ "output valid" (o_valid)
* recover is a local python variable (actually go_die_o)
* when shadow_wid = 0, recover and shadown are Consts (i.e. do nothing)
* wr_pend is set False for the majority of uses: however for